package com.imooc.security.core.social.qq.api;

import java.io.IOException;

import org.apache.commons.lang.StringUtils;
import org.springframework.social.oauth2.AbstractOAuth2ApiBinding;
import org.springframework.social.oauth2.TokenStrategy;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * @Description: 获取QQ用户信息
 * @author Lord
 * @date 2019年4月17日
 */
public class QQImpl extends AbstractOAuth2ApiBinding implements QQ {

    private ObjectMapper objectMapper = new ObjectMapper();

    private static final String URL_GET_OPENID = "https://graph.qq.com/oauth2.0/me?access_token=%s";

    private static final String URL_GET_USERINFO = "https://graph.qq.com/user/get_user_info?oauth_consumer_key=%s&openid=%s";

    private String appId;

    private String openId;

    public QQImpl(String accessToken, String appId) {
        super(accessToken, TokenStrategy.ACCESS_TOKEN_PARAMETER);

        this.appId = appId;

        String url = String.format(URL_GET_OPENID, accessToken);
        String result = getRestTemplate().getForObject(url, String.class);

        System.out.println(result);

        this.openId = StringUtils.substringBetween(result, "\"openid\":", "}");
    }

    /** 
     * <p>Title: getUserInfo</p>
     * <p>Description: </p> 
     * @return 
     * @throws IOException 
     * @throws JsonMappingException 
     * @throws JsonParseException 
     * @see com.imooc.security.core.social.qq.api.QQ#getUserInfo()
     */
    @Override
    public QQUserInfo getUserInfo() {

        String url = String.format(URL_GET_USERINFO, appId, openId);
        String result = getRestTemplate().getForObject(url, String.class);

        System.out.println(result);

        try {
            return objectMapper.readValue(result, QQUserInfo.class);
        } catch (Exception e) {
            throw new RuntimeException("获取用户信息失败！");
        }

    }

}
